Global Patent Index - EP 3284907 A3

EP 3284907 A3 20180228 - PLATFORM CORE FEED FOR A MULTI-WALL BLADE

Title (en)

PLATFORM CORE FEED FOR A MULTI-WALL BLADE

Title (de)

ZENTRALE PLATTFORMZUFUHR FÜR EINE MEHRWANDIGE SCHAUFEL

Title (fr)

ALIMENTATION CENTRALE DE PLATE-FORME POUR UNE AUBE À PAROIS MULTIPLES

Publication

EP 3284907 A3 20180228 (EN)

Application

EP 17186614 A 20170817

Priority

US 201615239994 A 20160818

Abstract (en)

[origin: EP3284907A2] A cooling system for a turbomachine blade including a multi-wall blade (6) and a platform (3), including: a cooling circuit (30) for the multi-wall blade (6), the cooling circuit (30) including a central cavity (26) and a plurality of outer cavities (18, 20, 22, 24), wherein the central cavity (26) comprises an intermediate passage of the cooling circuit (30), and wherein a flow of cooling air (32) is fed into the cooling circuit (30) through a first outer cavity of the plurality of outer cavities (18, 20, 22, 24); and a connection (56) for fluidly connecting a second outer cavity of the plurality of outer cavities (18, 20, 22, 24) to a platform core (54) of the platform (3), the flow of cooling air (32) passing through the connection (56) into the platform core (54) of the platform (3).

IPC 8 full level

F01D 5/18 (2006.01)

CPC (source: EP US)

F01D 5/187 (2013.01 - EP US); F01D 9/041 (2013.01 - US); F01D 25/12 (2013.01 - US); F02C 3/04 (2013.01 - US); F02C 7/18 (2013.01 - US); F05D 2220/32 (2013.01 - US); F05D 2240/81 (2013.01 - EP US); F05D 2250/185 (2013.01 - EP US); F05D 2260/201 (2013.01 - EP US); F05D 2260/202 (2013.01 - EP US)

Citation (search report)

Designated contracting state (EPC)

AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

Designated extension state (EPC)

BA ME

DOCDB simple family (publication)

EP 3284907 A2 20180221; EP 3284907 A3 20180228; EP 3284907 B1 20200101; JP 2018040348 A 20180315; KR 20180020893 A 20180228; US 10267162 B2 20190423; US 2018051577 A1 20180222

DOCDB simple family (application)

EP 17186614 A 20170817; JP 2017152850 A 20170808; KR 20170102101 A 20170811; US 201615239994 A 20160818